166-Faith in a Boy
Goku gives the fight over to Gohan. Everyone doesn't like the idea, especially Chi-chi.
167-Gohan's Desperate Plea
Gohan tells Cell about his power that he would be inabled to control. Because of this, Gohan doesn't want to fight Cell.
168-(Japanese)Gohan, Get Mad: Release the Power Within
Cell mentally tortures Gohan so his power with in will awaken.
169-The Children of Cell
The Cell Jrs attack the Z fighters. Cell later orders the Cell Jrs to kill the Z fighters. Gohan finally powers up to Super Saiyan 2.